package com.bdqn.aop;

import org.apache.log4j.Logger;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;

import java.util.Arrays;
@Aspect
public class AroundLogger {
    private static final Logger log = Logger.getLogger(AroundLogger.class);

    @Around("execution(* com.bdqn.service.UserService.*(..))")
    public Object aroundLogger(ProceedingJoinPoint jp) throws Throwable {
        log.info("调用 " + jp.getTarget() + " 的 " + jp.getSignature().getName() + " 方法。方法参数: " +
                Arrays.toString(jp.getArgs()));
        try {
            Object result = jp.proceed();   //执行目标方法并获得其返回值
            log.info("调用 " + jp.getTarget() + " 的 " + jp.getSignature().getName() + " 方法。方法参数: " +
                    result);
            return result;
        } catch (Throwable e) {
            log.error(jp.getSignature().getName() + " 方法发生异常：" + e);
            throw e;
        } finally {
            log.info(jp.getSignature().getName() + " 方法结束执行。");
        }
    }
}
